... in the medical equipment. Ningbo Kingbell Powder Metallurgy Co., Ltd. is a Sintered Metal Structure Parts factory, founded ... and accuracy demands , gears, oil pump rotors and so on. Tianji Tian De Suspension System Co., Ltd., Zhejiang ... we are awarded Ningbo High Tech Enterprise in 2005. On Jun.2,2008,we have the certificate TS16949. Ningbo Kingbell/Yongtai Powder Metallurgy Co., Ltd. has the ...